1dce51b888
This pass is to handle computationally complex operations like tensor.pad which are not simply lowered to the exact same operation in the memref dialect. Differential Revision: https://reviews.llvm.org/D125384
48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
//===- TensorToLinalgPass.cpp - Tensor to Linalg Passes -------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements a pass to convert Tensor dialect to Linalg dialect.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "mlir/Conversion/TensorToLinalg/TensorToLinalgPass.h"
|
|
#include "../PassDetail.h"
|
|
#include "mlir/Conversion/TensorToLinalg/TensorToLinalg.h"
|
|
#include "mlir/Dialect/Arithmetic/IR/Arithmetic.h"
|
|
#include "mlir/Dialect/Linalg/IR/Linalg.h"
|
|
#include "mlir/Dialect/Tensor/IR/Tensor.h"
|
|
|
|
using namespace mlir;
|
|
|
|
namespace {
|
|
/// A pass converting MLIR Tensor operations into the Linalg dialect.
|
|
class ConvertTensorToLinalgPass
|
|
: public ConvertTensorToLinalgBase<ConvertTensorToLinalgPass> {
|
|
void runOnOperation() override {
|
|
auto &context = getContext();
|
|
ConversionTarget target(context);
|
|
target.addLegalDialect<mlir::arith::ArithmeticDialect,
|
|
mlir::linalg::LinalgDialect,
|
|
mlir::tensor::TensorDialect>();
|
|
target.addIllegalOp<mlir::tensor::PadOp>();
|
|
|
|
RewritePatternSet patterns(&context);
|
|
populateTensorToLinalgPatterns(patterns);
|
|
|
|
if (failed(applyPartialConversion(getOperation(), target,
|
|
std::move(patterns))))
|
|
return signalPassFailure();
|
|
}
|
|
};
|
|
} // namespace
|
|
|
|
std::unique_ptr<OperationPass<ModuleOp>>
|
|
mlir::createConvertTensorToLinalgPass() {
|
|
return std::make_unique<ConvertTensorToLinalgPass>();
|
|
}
|